Class: Ruber::ProjectDirScanner

Inherits:
Qt::Object
  • Object
show all
Defined in:
lib/ruber/project_dir_scanner.rb,
lib/ruber/project_dir_scanner.rb

Instance Method Summary (collapse)

Signal Summary

Constructor Details

- (ProjectDirScanner) initialize(prj)

A new instance of ProjectDirScanner



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# File 'lib/ruber/project_dir_scanner.rb', line 28

def initialize prj
  super
  @project = prj
  #The /? at the end is there to avoid depending on whether Project#project_directory
  #returns a string ending with / or not
  @regexp = %r[^#{Regexp.quote @project.project_directory}/?]
  make_rules
  @watcher = KDE::DirWatch.new self do
    add_dir prj.project_directory, 
        KDE::DirWatch::WatchFiles | KDE::DirWatch::WatchSubDirs
  end
  @watcher.connect(SIGNAL('created(QString)')) do |f|
    emit file_added(f) if file_in_project? f
  end
  @watcher.connect(SIGNAL('deleted(QString)')) do |f|
    emit file_removed(f) if file_in_project? f
  end
  @project.connect(SIGNAL('option_changed(QString, QString)')) do |g, n|
    if g == 'general' and n == 'project_files'
      if @project[:general, :project_files] != @rules
        make_rules
        emit rules_changed
      end
    end
  end
  @watcher.start_scan false
end

Instance Method Details

- (Boolean) file_in_project?(file)

Returns:

  • (Boolean) 


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# File 'lib/ruber/project_dir_scanner.rb', line 65

def file_in_project? file
  if file.start_with? '/'
    file = file.dup
    return false unless file.sub! @regexp, ''
  end
  return nil if file.end_with? '/'
  if file =~ %r{^([\w+-.]+)://(.+)}
    if $1 == 'file' then file = $2
    else return false
    end
  end
  return false if @exclude_regexp =~ file
  return false if @exclude_files.include? file
  return true if @extensions.any?{|e| File.fnmatch?(e, file, File::FNM_DOTMATCH)}
  return true if @include_regexp =~ file or @include_files.include? file
  false
end

- (Boolean) in_project?(file)

Returns:

  • (Boolean) 


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# File 'lib/ruber/project_dir_scanner.rb', line 47

def in_project? file
  if file.start_with? '/'
    file = file.dup
    return false unless file.sub! @regexp, ''
  end
  return nil if file.end_with? '/'
  if file =~ %r{^([\w+-.]+)://(.+)}
    if $1 == 'file' then file = $2
    else return false
    end
  end
  return false if @exclude_regexp =~ file
  return true if @extensions.any?{|e| File.fnmatch?(e, file, File::FNM_DOTMATCH)}
  return true if @include_regexp =~ file or @include_files.include? file
  false
end

- (Object) make_rules (private) 



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# File 'lib/ruber/project_dir_scanner.rb', line 70

def make_rules
  rules = @project[:general, :project_files]
  @include_regexp = Regexp.union(*(rules[:include].select{|r| r.is_a?(Regexp)}))
  @exclude_regexp = Regexp.union(*(rules[:exclude].select{|r| r.is_a?(Regexp)}))
  @exclude_files = rules[:exclude].select{|rule| rule.is_a? String}.map{|f| f.sub(%r{^\./}, '')}
  @include_files = rules[:include].select{|rule| rule.is_a? String}.map{|f| f.sub(%r{^\./}, '')}
  @include_files-= @exclude_files
  @extensions = rules[:extensions]
  @rules = YAML.load(YAML.dump rules)
end

- (Object) project_files 



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# File 'lib/ruber/project_dir_scanner.rb', line 64

def project_files
  res = Set.new
  dir = @project.project_directory
  Ruber[:app].chdir dir do
    Find.find '.' do |f|
      next if File.directory? f
      #remove the leading './'
      f = f[2..-1]
      res << File.join(dir, f) if file_in_project? f
    end
  end
  res
end

Signal Details

- rules_changed

- file_added(QString arg1)

- file_removed(QString arg1)